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CVE-2005-0233

31
FAUCET Score

CVE-2005-0233 describes a domain name spoofing vulnerability in Firefox 1.0, Camino 0.8.5, and Mozilla before 1.7.6, affecting their International Domain Name (IDN) support. Attackers could leverage punycode encoding to display homograph characters in URLs and SSL certificates, facilitating phishing attacks. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.8.5CPE matchmatch criteria
cpe:2.3:a:mozilla:camino:0.8.5:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.0:*:*:*:*:*:*:*
< 1.7.6CPE matchmatch criteria
cpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
5CPE matchmatch criteria
cpe:2.3:a:omnigroup:omniweb:5:*:*:*:*:*:*:*
<= 7.54CPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
20.40%
Probability of exploitation in next 30 days
EPSS Percentile
97.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.2040 is in the 96th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:1.0.1-1.4.3
View patch

Vendor Advisories (1)

redhatCVE-2005-0233Important

security flaw

Feb 7, 2005

References

lists.grok.org.uk / pipermail/full-disclosure/2005-February/031459.html
Broken LinkExploitVendor Advisory
marc.info
Mailing List
exchange.xforce.ibmcloud.com / vulnerabilities/19236
Third Party AdvisoryVDB Entry
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100029
Tool Signature
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11229
Tool Signature
gentoo.org / security/en/glsa/glsa-200503-10.xml
ExploitPatchThird Party AdvisoryVendor Advisory
gentoo.org / security/en/glsa/glsa-200503-30.xml
ExploitPatchThird Party AdvisoryVendor Advisory
mozilla.org / security/announce/mfsa2005-29.html
ExploitPatchThird Party AdvisoryVendor Advisory
novell.com / linux/security/advisories/2005_16_mozilla_firefox.html
Broken LinkExploitPatchVendor Advisory
redhat.com / support/errata/RHSA-2005-176.html
Broken Link
redhat.com / support/errata/RHSA-2005-384.html
Broken Link
securityfocus.com / bid/12461
Broken LinkThird Party AdvisoryVDB Entry
shmoo.com / idn
Broken LinkExploitVendor Advisory
shmoo.com / idn/homograph.txt
Broken LinkExploitVendor Advisory